Analog Devices DC3103A Manual page 3

36v 4-switch buck-boost voltage regulator
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QUICK START PROCEDURE
DC3103A
Efficiency vs Input Voltage
100
V
= 12V
OUT
95
90
85
80
75
70
65
60
55
50
0
5
10
15
Figure 2. DC3103A Efficiency vs Input Voltage, SSFM OFF
DC3103A
Output Transient Response
V
= 12V
OUT
V
OUT(AC)
100mV/DIV
I
OUT
500mA/DIV
100mA
Figure 4. DC3103A 10% to 100% Load Step Transient
I
= 1A
OUT
I
= 0.5A
OUT
20
25
30
35
40
PV
(V)
IN
PV
= 12V
IN
1A
200µs/DIV
Figure 6. DC3103A Thermal Image, 10 Minute Runtime, 23°C
Ambient PV
= 12V, V
IN
OUT
DEMO MANUAL DC3103A
DC3103A
Efficiency vs Load Current
100
V
OUT
90
80
70
60
50
40
30
0.01
Figure 3. DC3103A Efficiency vs Load Current, SSFM OFF
DC3103A
Output Ripple (V
9PV
IN
12PV
V
OUT(AC)
50mV/DIV
24PV
36PV
Figure 5. DC3103A Output Ripple (20MHz Bandwidth Limit)
= 12V, I
= 1A, SSFM OFF
OUT
= 12V
9PV
IN
12PV
IN
24PV
IN
36PV
IN
0.1
I
(A)
OUT
= 12V I
=1A)
OUT
OUT
IN
IN
IN
200ns/DIV
1
Rev. 0
3

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